Fruit seeds are the small, often hard structures found inside fruits that can grow into new plants. They come in various shapes and sizes, depending on the type of fruit. For example, apple seeds are small and flat, while watermelon seeds are larger and oval-shaped. Each seed contains the genetic material needed for the plant's development. Some seeds, like those from cherries and peaches, have a hard outer shell called a pit. Others, such as grape seeds, are softer and can be eaten. Seeds play a crucial role in the life cycle of plants, allowing them to reproduce and spread.